mc9s12e256 Freescale Semiconductor, Inc, mc9s12e256 Datasheet - Page 558

• Manufacturer Part Number: mc9s12e256
• Description: Hcs12 Microcontrollers 16-bit Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

Chapter 19 Module Mapping Control (MMCV4)
A graphical example of a memory paging for a system configured as 1M byte on-chip FLASH/ROM with
64K allocated physical space is given in
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Figure 19-12. Memory Paging Example: 1M Byte On-Chip FLASH/ROM, 64K Allocation
0xFFFF
0xC000
0xFF00
0x0000
0x4000
0x8000
SINGLE CHIP
(UNPAGED)
(UNPAGED)
(UNPAGED)
16K FLASH
16K FLASH
16K FLASH
16K FLASH
VECTORS
NORMAL
(PAGED)
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61
62
These 16K FLASH/ROM pages accessible from 0x0000 to 0x7FFF if selected
by the ROMHM bit in the MISC register.
0
MC9S12E256 Data Sheet, Rev. 1.08
1
Figure
2
ONE 16K FLASH/ROM PAGE ACCESSIBLE AT A TIME
19-12.
3
(SELECTED BY PPAGE = 0 TO 63)
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